CVE-2022-35888
MEDIUM
Published Sep 29, 20223y ago · Modified Jun 17, 20262w ago
6.5 CVSS 3.1
Published Sep 29, 2022 3y ago
Last Modified Jun 17, 2026 2w ago
Description
Ampere Altra and Ampere Altra Max devices through 2022-07-15 allow attacks via Hertzbleed, which is a power side-channel attack that extracts secret information from the CPU by correlating the power consumption with data being processed on the system.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity None
Availability None
Threat Intelligence
No active exploitation signals — not in CISA KEV and no EPSS score yet.
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-203
Affected Products 6
| Vendor | Product | Version | Range |
|---|---|---|---|
| amperecomputing | ampere_altra_max_firmware | * | ≤2022-07-15 |
| amperecomputing | ampere_altra_max | * | any |
| amperecomputing | ampere_altra_firmware | * | ≤2022-07-15 |
| amperecomputing | ampere_altra | * | any |
| amperecomputing | ampereone_firmware | * | ≤2022-07-15 |
| amperecomputing | ampereone | * | any |
References 2
- amperecomputing.com https://amperecomputing.com/products/security-bulletins/hertzbleed.html
- developer.arm.com https://developer.arm.com/documentation/ka005111/1-0/?lang=en
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.